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How does a super infection develop?

Leigh Vinocur, MD
Emergency Medicine
Typically, super infections develop after people have a cold or flu. They might be sick for a week or more, but just as they start feeling better, their fever suddenly spikes and symptoms worsen. Bacterial sinusitis is probably one of the more common super infections. It develops after the common cold (also called rhinitis.) A cold begins with sniffles, a runny nose accompanied by a usually clear nasal discharge, and no fever. If after a week or two you develop a fever and severe headache, and/or notice your nasal discharge is thicker and greenish-yellow, it is likely you have developed a superimposed case of bacterial sinusitis.

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